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What is the purpose of Rank2Types?
...o a value right away; first you need to apply the Λ-function to a type in order to get a λ-function that you apply to a value. So for example:
(Λt.λx:t.x) Int 5 = (λx:Int.x) 5
= 5
Standard Haskell (i.e., Haskell 98 and 2010) simplifies this for you by not having any of the...
How to create a new object instance from a Type
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@danmiser That needs hard coding the assembly name. In order to implement flexibility I am checking null and the code works in dynamic way :)
– Sarath Avanavu
Oct 21 '16 at 5:50
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Why is Maven downloading the maven-metadata.xml every time?
...ecify plugin version so it triggers the download of associated metadata in order to get the last one.
Otherwise did you try to force local repo usage using -o ?
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How to prove that a problem is NP complete?
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In order to prove that a problem L is NP-complete, we need to do the following steps:
Prove your problem L belongs to NP (that is that given a solution you can verify it in polynomial time)
Select a known NP-complete problem ...
How do I parse a string to a float or int?
...d point and users should beware. The behaviour was originally modified in order to address some issues with parsing of complex literals. It's arguably a bug in ast.literal_eval, and has been discussed here.
– wim
Jan 16 '18 at 17:57
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How to import the class within the same directory or sub directory?
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I just learned (thanks to martineau's comment) that, in order to import classes from files within the same directory, you would now write in Python 3:
from .user import User
from .dir import Dir
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What is a CSRF token ? What is its importance and how does it work?
... JS into logging in to your site, while browsing attacker's web page.
In order to prevent that, django will send a random key both in cookie, and form data.
Then, when users POSTs, it will check if two keys are identical. In case where user is tricked, 3rd party website cannot get your site's cook...
To ARC or not to ARC? What are the pros and cons? [closed]
...n't become a decent intermediate programmer. You need to know the rules in order to bridge correctly with Core Foundation, and every intermediate programmer needs to deal with CF at some point. And you need to know the rules for mixed-ARC/MRC code. And you need to know the rules when you start messi...
Embedding unmanaged dll into a managed C# dll
...e the unmanaged DLL, with
// this assembly's version number in the path in order to avoid version
// conflicts in case two applications are running at once with different versions
string dirName = Path.Combine(Path.GetTempPath(), "MyAssembly." +
Assembly.GetExecutingAssembly().GetName().Version.To...
Basic example of using .ajax() with JSONP?
...ve to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from another domain. Sounds weird?
Thing is - turns out script tags can be used in a fashion similar to XMLHttpRequest! Check this out:
script = document.createElement("script");
script.type = "text...